Chapter 7 347
Replacing Major Assemblies
Rear-Frame Assembly
3. Place the rear frame on the main chassis.
4. Replace the W6 jumper between the 10 MHz REF OUTPUT and the
EXT REF IN connectors.
5. Replace the six screws (three on each side) that secure the rear
frame to the main chassis.
6. Replace the instrument cover assembly. Refer to the “Instrument
Cover.” replacement procedure.
Figure 7-19 Rear Frame Replacement